Zai Lab Ltd ADR (ZLAB): Congress and insider trades
Who in Congress and inside the company traded ZLAB, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- Zai Lab Ltd ADR (ZLAB) is a listed stock on NASDAQ.
- Insiders filed 1 open market buy worth $33.1K and 19 sells worth $3.9M, the latest filed 2026-08-13 (13 August 2026).
- Data as of 2026-09-29 (29 September 2026).
Insider trades in ZLAB
as of 2026-08-13| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 13 Aug 2026 | Chen Yajing | sell | 619 | $25.00 | $15.5K | n/a |
| 13 Aug 2026 | Lis William | sell | 8,506 | $25.00 | $213K | n/a |
| 6 Jul 2026 | GAYNOR RICHARD | buy | 1,736 | $19.05 | $33.1K | n/a |
| 1 Jul 2026 | Du Ying | sell | 7,026 | $18.53 | $130K | n/a |
| 29 Jun 2026 | Chen Yajing | sell | 2,264 | $17.46 | $39.5K | n/a |
| 29 Jun 2026 | Edmondson Frazor Titus III | sell | 4,103 | $17.46 | $71.6K | n/a |
| 29 Jun 2026 | Du Ying | sell | 24,543 | $17.46 | $429K | n/a |
| 24 Jun 2026 | Lis William | sell | 7,040 | $18.09 | $127K | n/a |
| 8 Apr 2026 | Du Ying | sell | 2,653 | $20.45 | $54.2K | n/a |
| 8 Apr 2026 | Edmondson Frazor Titus III | sell | 1,224 | $20.45 | $25.0K | n/a |
| 8 Apr 2026 | Amado Rafael | sell | 2,739 | $20.45 | $56.0K | n/a |
| 8 Apr 2026 | Smiley Joshua L | sell | 3,017 | $20.45 | $61.7K | n/a |
| 8 Apr 2026 | Chen Yajing | sell | 853 | $20.45 | $17.4K | n/a |
| 3 Apr 2026 | Chen Yajing | sell | 5,199 | $20.39 | $106K | n/a |
| 3 Apr 2026 | Du Ying | sell | 5,576 | $20.39 | $114K | n/a |
| 3 Apr 2026 | Smiley Joshua L | sell | 9,614 | $20.39 | $196K | n/a |
| 3 Apr 2026 | Amado Rafael | sell | 9,910 | $20.39 | $202K | n/a |
| 3 Apr 2026 | Edmondson Frazor Titus III | sell | 4,194 | $20.39 | $85.5K | n/a |
| 10 Mar 2026 | Du Ying | sell | 50,000 | $19.42 | $971K | n/a |
| 10 Mar 2026 | Du Ying | sell | 50,000 | $19.03 | $951K | n/a |
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Related pages
Frequently asked questions
Who has bought ZLAB?
0 Congress buys by 0 members and 1 insider buy are on file. The tables on this page list every one.
Did buying ZLAB after a disclosure beat the market?
No disclosed buy of this stock has matured 90 days yet. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.